Dongying Oilman Machinery Equipment Co.,Ltd.
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Description of drill pipe screens:
Drill pipe screen is commonly known as the rod filter.
Drill pipe screen,used to filter the drilling fluid and protect the MWD instrument in the petroleum drilling,is suitable to filter the drilling fluid of the petroleum an geological drilling. It is composed of the connector and filter screen.The connector is empty and only has a ledge.The filter screen is in the ledge of the connector.It is placed under the drill rod and replaces the former connector.In the circulation of drilling fluid, the impurities are filtered by the filter screen of the connector.The drilling fluid is cleaned, preventing the impurities from blocking the water hole.
The specifications include the 5-1/2, 5, 4-1/2, 3-1/2 and 2-7/8 inches.
Specification of high quality stainless steel drill pipe screens
a. Material: 304 & 316 stainless
b. Perforation: 3/16” hole on 5/16” stagger
c. Retrievable with standard overshot
d. Interchangeable ring flanges
e. 33% open area perforation
f. Internal wear distribution sleeve
g. Full length safety retaining rod
| Drilling pipe type
| Max. OD | Filter diameter | Filter open diameter | Length |
| mm | mm | mm | mm | |
| NC46(4”IF)-42G | 92 | 78 | 6 | 800 |
| NC46(4”IF)-42S | 92 | 72 | 6 | 800 |
| NC50(4 1/2”IF)-52G | 98 | 90 | 6 | 1000 |
| NC50(4 1/2”IF)-52S | 98 | 64 | 6 | 1000 |
| NC50(4 1/2”IF)-53S | 98 | 72 | 6 | 1000 |
| NC50(4 1/2”IF)-62G | 98 | 78 | 6 | 1000 |
| NC50(4 1/2”IF)-62S | 98 | 65 | 6 | 1000 |
| NC50(4 1/2”IF)-63G | 98 | 65 | 6 | 1000 |
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